Technical Specifications; Speaker Amplifier; Power Requirements; Internal Controls - ClearCom KB-212 User Manual

Clear-Com Intercom Systems

Technical Specifications

Panel Microphone Pre-Amp
Input Type:
Gain from panel
mic to intercom line:
Pre-Amp Response Curve
Frequency Response:
Limiter Range:

Speaker Amplifier

Speaker Type:
Power Output:
Frequency Response:
Signal-to-Noise:
Gain from intercom line:
Distortion:
Speaker Level:
Program Amplifier
(Transformerless, balanced differential input)
Input Level:
Input Impedance:
Frequency Response:

Power Requirements

Voltage:
Current:
Internal Connectors
Intercom:
Program:
AC Power
(4-Wire Option Module):

Internal Controls

(3) Option switches; (1) Tone Alert Volume control; (1) Minimum Volume Level control
© Clear-Com Intercom Systems 2000
Electret
+25 dB, low sensitivity; +31.5 dB high sensitivity
250 Hz to 12 kHz, contoured for intelligibility
20 dB
2.5 in. round, 16 ohm
2 W into 16 ohms
200 Hz to 15 kHz, ±3 dB
75 dB
+37 dB
< 0.5% THD at 1 kHz
98 dB SPL at 3 ft.
-20 dBV
> 100k ohm
150 Hz to 15 kHz, ± 3 dB
30-VDC standard unit; 16 to 18 VAC with 4-Wire Option
Module
100 mA average
five-position, plug-on screw terminals
three-position, plug-on screw terminals
two-position, plug-on screw terminals
17
KB-212 Speaker Station
Rev. B